Countdown Break Timer

onclick="setCountdown(15);">15 btn <p><div onclick="setCountdown(10);">10 waves-light Minutes</a> class="std-btn std-left" countdown="" <div </div> style="width:160px; class="std-btn /> waves-light class="std-btn <div std-center waves-light waves-light white-space: id="countdown-slider" countdown="20" std-center"> waves-effect Minutes</a> waves-effect class="countdown"></div> <div btn" onclick="setCountdown(document.getElementById('otherSlider').value);">Other</a> countdown="5" class="std-btn Break</a> class="row"> class="std-btn onclick="setCountdown(20);">20 <a Minutes</a> <a class="col class="std-btn waves-light btn" std-center waves-light display:inline; Minutes</a> </div> class="std-right" btn" btn" btn" onclick="setCountdown(30);">30 std-center <input <a btn" waves-effect <a std-center nowrap;"> <div btn type="range" border:0;" <a disabled" waves-effect waves-effect onclick="stopBreak()">Stop s12 btn" Break s12 waves-light countdown="10" id="countdown" std-center std-left"> std-center Countdown </div> id="otherValue" <a class="std-btn countdown="15" id="otherSlider" </div> onclick="setCountdown(60);">60 <a waves-effect </div> onchange="updateSliderText(this.value);" Timer std-center"> Break</a> <a min="1" id="startBreak" Minutes</a> class="std-left" class="input-field <a Minutes</a> class="range-field <div waves-light class="std-btn waves-effect onclick="startBreak()">Start countdown="30" max="60" waves-light onclick="setCountdown(5);">5 std-center id="stopBreak"class="std-btn style="width:400px; countdown="60" waves-effect class="row"> <div col std-center waves-effect